README.md in tuktuk-0.1.3 vs README.md in tuktuk-0.2.0

@@ -17,23 +17,36 @@
 To enable DKIM:
 
 ````
   require 'tuktuk'
 
-  Tuktuk.dkim = {
+  Tuktuk.options = {
+    :dkim => {
       :domain => 'yoursite.com',
       :selector => 'mailer',
       :private_key => IO.read('ssl/yoursite.com.key')
+    }
   }
 
   email = {
     :from => '[e-mail]',
     :to => '[e-mail]',
     :body => 'Hello there',
     :subject => 'Hiya'
   }
 
   Tuktuk.deliver(email)
+````
+
+Additional options:
+
+````
+  Tuktuk.options = {
+    :log_to => 'log/mailer.log',
+    :max_attempts => 5,
+    :retry_sleep => 10,
+    :dkim => { ... }
+  }
 ````
 
 That's all.
 
 --